The Dexes / Satellite Decay / 49503
CelestialObjectDex · Satellite Decay
COSMOS 2552
49503 · 2026-03-27T04:35:05Z
Fixes
151
Sensor hits
0
Observations
151
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-03-27T04:35:05.073216+00:00 |
|---|---|
| end_utc | 2026-08-03T18:59:01.936032+00:00 |
| family | celestialdex |
| norad_id | 49,503 |
| object_name | COSMOS 2552 |
| group | active |
| eccentricity_median | 0.643 |
| inclination_deg_median | 62.838 |
| n_snaps | 151 |
| span_days | 129.600 |
| mean_motion_first | 2.006 |
| mean_motion_last | 2.006 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 20178.885 |
| altitude_last_km | 20178.346 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.041 |
| decay_note | mean_motion slope (rev/day^2) and altitude slope (km/day) from least-squares fit of measured GP elements; altitude from Kepler a=(GM/n^2)^(1/3) - R_earth |
| first_utc | 2026-03-27T04:35:05.073216+00:00 |
| last_utc | 2026-08-03T18:59:01.936032+00:00 |
| last_fix_utc | 2026-08-03T18:59:01.936032+00:00 |
| provisional | false |
| track | [{"utc":"2026-03-27T04:35:05.073216+00:00","mean_motion":2.00601281,"altitude_km":20178.885,"eccentricity":0.64636551,"inclination_deg":62.856},{"utc":"2026-04-08T03:43:33.211200+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/49503.json